Patent · US Expired

Low-voltage oscillator with separate startup mode

US4912435A · kind A · utility

16Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 7, 1989
Grant dateMar 27, 1990
Priority date
Expiry dateSep 7, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03B2200/0012
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A low-power crystal-controlled CMOS oscillator wherein a long and wide additional transistor is provided in the first stage of the output amplifier. This prevents the output amplifier from diverting too much current from the primary amplifier stage during start-up.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.